Search

Kevin H. Sprenger

Examiner (ID: 6769, Phone: (571)272-9424 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2838
Total Applications
293
Issued Applications
246
Pending Applications
0
Abandoned Applications
48

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11076452 [patent_doc_number] => 20160273416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-22 [patent_title] => 'VALVE ACTUATION SYSTEM HAVING ROCKER-LOCATED HYDRAULIC RESERVOIR' [patent_app_type] => utility [patent_app_number] => 14/661900 [patent_app_country] => US [patent_app_date] => 2015-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4169 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14661900 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/661900
Valve actuation system having rocker-located hydraulic reservoir Mar 17, 2015 Issued
Array ( [id] => 10382590 [patent_doc_number] => 20150267597 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-24 [patent_title] => 'EXHAUST MANIFOLD FOR EXHAUST SYSTEM OF A COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/660511 [patent_app_country] => US [patent_app_date] => 2015-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2508 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14660511 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/660511
Exhaust manifold for exhaust system of a combustion engine Mar 16, 2015 Issued
Array ( [id] => 11576274 [patent_doc_number] => 09631524 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-25 [patent_title] => 'Valve timing control apparatus of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/656063 [patent_app_country] => US [patent_app_date] => 2015-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 10054 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14656063 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/656063
Valve timing control apparatus of internal combustion engine Mar 11, 2015 Issued
Array ( [id] => 12528417 [patent_doc_number] => 10006320 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-26 [patent_title] => System for controlling valve opening/closing timing [patent_app_type] => utility [patent_app_number] => 15/123943 [patent_app_country] => US [patent_app_date] => 2015-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6075 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 446 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15123943 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/123943
System for controlling valve opening/closing timing Mar 4, 2015 Issued
Array ( [id] => 10686653 [patent_doc_number] => 20160032799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'METHOD AND SYSTEM OF MAINTAINING DPF REGENERATION FOR IMPROVING DURABILITY OF DPF FILTER' [patent_app_type] => utility [patent_app_number] => 14/626345 [patent_app_country] => US [patent_app_date] => 2015-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4298 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14626345 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/626345
METHOD AND SYSTEM OF MAINTAINING DPF REGENERATION FOR IMPROVING DURABILITY OF DPF FILTER Feb 18, 2015
Array ( [id] => 10274541 [patent_doc_number] => 20150159537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-11 [patent_title] => 'Exhaust Gas Aftertreatment Module' [patent_app_type] => utility [patent_app_number] => 14/624013 [patent_app_country] => US [patent_app_date] => 2015-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5620 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14624013 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/624013
Exhaust gas aftertreatment module Feb 16, 2015 Issued
Array ( [id] => 13183279 [patent_doc_number] => 10107148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-23 [patent_title] => Valve rotation device [patent_app_type] => utility [patent_app_number] => 15/120174 [patent_app_country] => US [patent_app_date] => 2015-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8142 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15120174 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/120174
Valve rotation device Feb 16, 2015 Issued
Array ( [id] => 11715485 [patent_doc_number] => 20170183984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-29 [patent_title] => 'VALVE OPENING AND CLOSING TIMING CONTROL APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/118233 [patent_app_country] => US [patent_app_date] => 2015-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10566 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15118233 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/118233
Valve opening and closing timing control apparatus Feb 12, 2015 Issued
Array ( [id] => 11040918 [patent_doc_number] => 20160237874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-18 [patent_title] => 'CATALYST ASSEMBLY WITH SENSING ADAPTER SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/621122 [patent_app_country] => US [patent_app_date] => 2015-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6824 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14621122 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/621122
CATALYST ASSEMBLY WITH SENSING ADAPTER SYSTEM Feb 11, 2015 Abandoned
Array ( [id] => 11715488 [patent_doc_number] => 20170183987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-29 [patent_title] => 'VALVE OPENING AND CLOSING TIMING CONTROL APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/118197 [patent_app_country] => US [patent_app_date] => 2015-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3910 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15118197 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/118197
Valve opening and closing timing control apparatus Feb 5, 2015 Issued
Array ( [id] => 11555670 [patent_doc_number] => 20170101916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-13 [patent_title] => 'METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE, CONTROL DEVICE AND INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/129324 [patent_app_country] => US [patent_app_date] => 2015-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7423 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15129324 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/129324
METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE, CONTROL DEVICE AND INTERNAL COMBUSTION ENGINE Feb 3, 2015 Abandoned
Array ( [id] => 11549043 [patent_doc_number] => 09617878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-11 [patent_title] => 'Camshaft phaser and actuator for the same' [patent_app_type] => utility [patent_app_number] => 14/613630 [patent_app_country] => US [patent_app_date] => 2015-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10052 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14613630 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/613630
Camshaft phaser and actuator for the same Feb 3, 2015 Issued
Array ( [id] => 11231528 [patent_doc_number] => 09458751 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-04 [patent_title] => 'Exhaust heat recovery control device' [patent_app_type] => utility [patent_app_number] => 14/606408 [patent_app_country] => US [patent_app_date] => 2015-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3992 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14606408 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/606408
Exhaust heat recovery control device Jan 26, 2015 Issued
Array ( [id] => 11569225 [patent_doc_number] => 20170107869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'CAMSHAFT ADJUSTER INCLUDING A BLOCKING PIN FOR PRESSURE RELIEF OF THE HYDRAULIC CHANNEL COVERED BY A SLOTTED GATE' [patent_app_type] => utility [patent_app_number] => 15/312084 [patent_app_country] => US [patent_app_date] => 2015-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4741 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15312084 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/312084
Camshaft adjuster including a blocking pin for pressure relief of the hydraulic channel covered by a slotted gate Jan 25, 2015 Issued
Array ( [id] => 14120413 [patent_doc_number] => 10247057 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-02 [patent_title] => Camshaft adjuster having a variable-length insert part [patent_app_type] => utility [patent_app_number] => 15/309429 [patent_app_country] => US [patent_app_date] => 2015-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4152 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15309429 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/309429
Camshaft adjuster having a variable-length insert part Jan 21, 2015 Issued
Array ( [id] => 10355677 [patent_doc_number] => 20150240682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-27 [patent_title] => 'SYSTEMS AND METHODS TO MITIGATE NOx AND HC EMISSIONS' [patent_app_type] => utility [patent_app_number] => 14/600262 [patent_app_country] => US [patent_app_date] => 2015-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8479 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14600262 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/600262
Systems and methods to mitigate NOx and HC emissions Jan 19, 2015 Issued
Array ( [id] => 11291148 [patent_doc_number] => 20160341080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-24 [patent_title] => 'ACTUATOR FOR AN ELECTROHYDRAULIC GAS-EXCHANGE VALVE TRAIN OF A COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/113957 [patent_app_country] => US [patent_app_date] => 2015-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4175 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15113957 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/113957
Actuator for an electrohydraulic gas-exchange valve train of a combustion engine Jan 19, 2015 Issued
Array ( [id] => 10822910 [patent_doc_number] => 20160169074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-16 [patent_title] => 'AFTERTREATMENT SYSTEM IMPLEMENTING LOW-TEMPERATURE SCR' [patent_app_type] => utility [patent_app_number] => 14/599337 [patent_app_country] => US [patent_app_date] => 2015-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8074 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14599337 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/599337
Aftertreatment system implementing low-temperature SCR Jan 15, 2015 Issued
Array ( [id] => 11590266 [patent_doc_number] => 20170114677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'CAMSHAFT ADJUSTER INCLUDING A DISCHARGE VALVE' [patent_app_type] => utility [patent_app_number] => 15/302102 [patent_app_country] => US [patent_app_date] => 2015-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4785 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15302102 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/302102
Camshaft adjuster including a discharge valve Jan 15, 2015 Issued
Array ( [id] => 12287601 [patent_doc_number] => 09932865 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-03 [patent_title] => Valve timing control device for internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/109924 [patent_app_country] => US [patent_app_date] => 2015-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 9233 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15109924 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/109924
Valve timing control device for internal combustion engine Jan 13, 2015 Issued
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